28371392

素因数分解:

$2^6\times 7^2\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:218

約数の個数: 84

約数和(自身を含む): 66888360

約数和(自身を除く): 38516968

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 83, 98, 109, 112, 166, 196, 218, 224, 332, 392, 436, 448, 581, 664, 763, 784, 872, 1162, 1328, 1526, 1568, 1744, 2324, 2656, 3052, 3136, 3488, 4067, 4648, 5312, 5341, 6104, 6976, 8134, 9047, 9296, 10682, 12208, 16268, 18094, 18592, 21364, 24416, 32536, 36188, 37184, 42728, 48832, 63329, 65072, 72376, 85456, 126658, 130144, 144752, 170912, 253316, 260288, 289504, 341824, 443303, 506632, 579008, 886606, 1013264, 1773212, 2026528, 3546424, 4053056, 7092848, 14185696, 28371392]

約数ペア:

[(1, 28371392), (2, 14185696), (4, 7092848), (7, 4053056), (8, 3546424), (14, 2026528), (16, 1773212), (28, 1013264), (32, 886606), (49, 579008), (56, 506632), (64, 443303), (83, 341824), (98, 289504), (109, 260288), (112, 253316), (166, 170912), (196, 144752), (218, 130144), (224, 126658), (332, 85456), (392, 72376), (436, 65072), (448, 63329), (581, 48832), (664, 42728), (763, 37184), (784, 36188), (872, 32536), (1162, 24416), (1328, 21364), (1526, 18592), (1568, 18094), (1744, 16268), (2324, 12208), (2656, 10682), (3052, 9296), (3136, 9047), (3488, 8134), (4067, 6976), (4648, 6104), (5312, 5341)]